@CHARSET "utf-8";

* {
	padding: 0px;
	margin: 0px;
	font-size: 15px;
	font-family: "微软雅黑";
}

.main_div {
	width: 1000px;
	margin: auto;
}

.float_left {
	float: left;
}

.float_right {
	float: right;
}

.clear_float {
	clear: both;
}

ul,li {
	float: left;
}

a {
	text-decoration: none;
}

a:LINK {
	color: black;
}

a:HOVER {
	color: black;
}

a:ACTIVE {
	color: black;
}

a:VISITED {
	color: black;
}

.margin_to_10 {
	margin-top: 10px
}

.margin_to_20 {
	margin-top: 20px
}

.margin_to_30 {
	margin-top: 30px
}

.margin_to_40 {
	margin-top: 40px
}

.margin_to_50 {
	margin-top: 50px
}